Why the study?
Does an acute asthma attack alter heart rate variability compared to controlled asthma and healthy controls in children?
Does an acute asthma attack alter heart rate variability compared to controlled asthma and healthy controls in children?
Acute asthma may alter HRV in children; leaves open whether autonomic changes aid risk stratification or management.
Material/Methods: Twenty-five children aged 5 to 13 years participated in the study: 19 with asthma analyzed both during an attack (acute asthma group) and after controlling the condition (controlled asthma group), and 6 without asthma (control group). Peak flow, spirometric variables and C-reactive protein were analyzed. Heart rate variability (HRV) was evaluated at rest for 10 min in the supine position using frequency and time domains as well as non-linear variables. Asthma was characterized as persistent/moderate based on the classification of severity.
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A 2013 study studied this question.
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